About: http://webisa.webdatacommons.org/181925145

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Populations are declining mainly due to siltation, water pollution, and impoundments on rivers and streams.
http://www.w3.org/ns/prov#wasQuotedFrom	virginia.gov